Nla Lake is a productive, nutrient-rich eutrophic lake in Johnson County, Kansas. Water quality is graded B based on 2 sampling years through 2017. Compared to the 18 other monitored lakes in Johnson County, Nla Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2017-06-23. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 3.4 ft. Phosphorus level: 22.7 µg/L. Chlorophyll-a: 7.6 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.4 ft | D |
| Phosphorus | 22.7 µg/L | B |
| Chlorophyll-a (Algae) | 7.6 µg/L | C |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #1 of 19 lakes in Johnson County
Nearby Lakes in Johnson County
Explore Nla Lake across LakeGrade
More Kansas Lake Rankings
Other Grade B Lakes in Kansas
Leavenworth County · Clarity: 4.3 ft
Miami County · Clarity: 3.9 ft
Douglas County · Clarity: 9.5 ft
Miami County · Clarity: 3 ft
Douglas County · Clarity: 3.8 ft
Linn County · Clarity: 8.2 ft
Eutrophic Lakes in Kansas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2017-06-23
Monitoring stations: 1